Rate Range - 20 to 300 BPM; Oxygen Saturation Range 0 - 99% to100% Spo2. Pediatric oximeter features Low Battery Indicator, Alarm and audio alarm.

Fingertip Pulse Oximeter; Certification - Approved by FDA; Ideal For - Adults/Pediatrics.

Wavelength of LED - 660 660 Red Light; 940 940 Infrared Light. Pulse oximeter with alarm is durable and efficient to withstand years of use.